consumer

(biology) an organism that uses other organisms for food in order to gain energy.

consumer - Computer Definition

Refers to the casual user in contrast to the professional user. Consumer products vary in quality, ranging from flimsy, inexpensive devices to very well made; however, the term implies non-professional usage. See prosumer and consumer electronics.

consumer - Legal Definition

n

One who purchases or leases
goods or services for his or her own personal, family, household, or other
nonbusiness use.